Pick-Up Coil

To test Pick-Up Coil:

1. Remove wiring connector from cap.
2. Turn four screws and remove cap and coil assembly from lower housing.
3. Remove rotor and pick-up coil leads from module.
4. Connect ohmmeter test 1 and then test 2, see Fig 1 .
5. Observe ohmmeter flex leads by hand to check for intermittent opens.
6. Test 1 should read infinite at all times.
7. Test 2 should read steady at one value within 500-1500 ohm range.
8. If it does not fall within parameters replace Pick-Up Coil.

Fig 1: Testing Pick-Up Coil

Courtesy of GENERAL MOTORS CORP.